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Periodic Table Trends Flashcards | StudBud
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Periodic Table Trends
Periodic Table Trends
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#science #chemistry #elements #periodictable #periodic #highschool
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1
How many electrons are in the otermost orbit of each element in Group 17?
7
8
5
2
2
The pair of elements with the most similar chemical properties are:
Mg and Ca
Mg and S
Ca and Br
S and Ar
3
Which ion is smaller than its corresponding neutral atom?
Al+3
N-3
O-2
Br-1
4
In Period 2, as the elements are considered from left to right, there is a decrease in
atomic number
atomic mass
ionization energy
atomic radius
5
An element whose atoms have the electron configuration s
2
d
1
is:
an alkali metal
a transition element
an alkaline earth metal
a noble gas
6
Which of the following particles has the smallest atomic radius?
Li
K
Na
Cs
7
Which element has the larger atomic radius?
Li
Fr
Rb
K
8
Which of the following atoms has the highest ionization energy?
Cl
I
Br
F
9
Which of the following elements has the lowest electron affinity?
P
F
Al
Br
10
Which is the most reactive metal?
Ca
Fr
Al
F
11
Which element in Period 3 has the least tendency to lose an electron?
Ar
P
Al
Na
12
Which of the following atoms has the lowest electron affinity?
Mg
Ca
Ba
Sr
13
Which ion has the smallest ionic radius compared to its original neutral atom?
F-1
Mg+2
Na+1
Al+3
14
Arrange the following sets of elements in order of increasing atomic radius: Sn, Xe, Rb, Sr.
Sn < Rb < Sr < Xe
Xe < Sn < Rb < Sr
Xe < Sn < Sr < Rb
Rb < Xe < Sr < Sn
15
Who arranged the periodic table first by atomic mass and by their chemical properties?
Mendeleev
JJ Thomson
Mosely
Rutherford
16
Arrange the following sets of elements in order of increasing atomic radius: Rn, He, Xe, Kr.
He < Kr < Xe < Rn
He < Rn < Kr < Xe
Rn < Xe < Kr < He
Xe < Kr < Rn < He
17
Which sequence of properties occurs as the atomic numbers increase across Period 3?
nonmetal -> metalloid -> metal -> noble gas
metal -> nonmetal -> noble gas -> metalloid
metal -> metalloid -> nonmetal -> noble gas
nonmetal -> metal -> noble gas -> metalloid
18
Which atom has the smallest atomic radius?
Mg
K
Na
Ca
19
The lanthanide and actinide series of elements are found, respectively, in Periods
4 and 5
2 and 3
3 and 4
6 and 7
20
WHich element will form an ion whose ionic radius is larger than its atomic radius?
Mg
Li
K
F
21
Which of the following atoms has the highest electron affinity?
Br
F
I
Cl
22
Which of the following is the most active non-metal in the Periodic Table?
N
S
F
Na
23
Which element in Group 15 has the most metallic characteristics?
N
Bi
As
P
24
Which of the following periods contains the greatest number of metallic elements?
2
4
1
3
25
Which of the following elements has the smallest atomic size?
P
Al
Mg
Si
26
More than two-thirds of the elements in the Periodic Table are
nonmetals
noble gases
metals
metalloids
27
Which atom has the largest ionization energy?
F
Cl
Br
I
28
Which are two properties of most nonmetals?
low ionization energy and good electrical conductivity
high ionization energy and poor electrical conductivity
low ionization energy and poor electrical conductivity
high ionization energy and good electrical conductivity
29
All of the elements in Group 16 have the same number of
energy levels
valence electrons
protons
neutrons
30
Atoms of metallic elements tend to:
lose electrons and form positive ions
gain electrons and form negative ions
gain electrons and form positive ions
lose electrons and form negative ions
31
From the top to the bottom of Group 15, which sequence in properties occurs?
metal -> nonmetal -> metalloid
metal -> metalloid -> nonmetal
metalloid -> metal -> nonmetal
nonmetal -> metalloid -> metal
